JP3298435B2 - Cartridge for clamping device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cartridge for a clamping device in which a large number of plate-like clamping plates are connected to facilitate supply of a coupling clamping plate.

[0002]

2. Description of the Related Art Heretofore, there has been known a clamping machine for clamping the ends of a plurality of sheet materials with a clamping plate (Japanese Utility Model Publication No. 477-1).
No. 2089).

FIG. 13 shows this clamping machine.
In this clamping machine, a handle 2 is rotatably provided at one end of a base 1, a cover 3 is provided between the base 1 and the handle 2, and a guide groove 4 is formed on an upper surface of the base 1. The connection holding member 5 is housed between the cover 3 and the cover 3. The connecting and holding member 5 is formed by connecting the holding members 5N with an adhesive like a stapler needle.
N is bent in a U-shape.

The other end (rear end) of the connecting and holding member 5 is in contact with a fitting 7 slidably provided on a push rod 6 shown in FIGS. 14 and 15, and this fitting 7 is a push rod. The connecting / clamping member 5 is urged by a spring 9 provided at 6. Due to this bias, one end side (tip end) of the connecting and sandwiching member 5 is formed in the groove 4.
Is in contact with one end 4A.

A push plate 8 is provided on the lower surface of the handle 2. When the handle 2 is turned from the solid line position to the chain line position in FIG. The holding member 5N comes into contact with the bending base of 5N, and is separated from the connecting holding member 5. Then, the detached holding member 5
Only N is further compressed and deformed by the pressing of the push plate 8, and the ends of the plurality of sheets inserted in the direction of arrow P are clamped by the clamping member 5N.

[0006]

However, in such a clamping device, since the clamping operation is performed by manually operating the handle 2, the clamping device cannot be mounted on office equipment such as a copying machine or a facsimile. The wearing member 5N is U
Since it is curved in the shape of a letter, it tends to be bulky and cannot be loaded in large quantities. For this reason, there is a problem that it takes time and effort to replenish the connecting and holding member 5 frequently.

On the other hand, in a facsimile installed in a company office or the like, if faxes accumulate on a tray or desk of a transmitted facsimile, there is a concern that faxes addressed to several addresses may be mixed.

Some copying machines have an electric stapler that bundles copy sheets sorted into a predetermined number of copies. However, the electric stapler performs stapling by stapling, so that the copy sheets are not mixed. It cannot be simply separated.

Therefore, a clamping device which is mounted on an apparatus for stacking a bundle of sheet materials, such as a copying machine, a facsimile or an office printing machine, and which can be automatically separated so that a plurality of bundles of sheet materials are not mixed. Research is ongoing.

[0010] Such a clamping device has a pair of clamps which oppose each other so that the distal ends on the side of gripping the clamping plate are clamped, and each of which rotates about a fulcrum shaft. A jaw for holding an end of a plate-like sandwiching plate for sandwiching a bundle of sheet materials is provided on the opposite surface of the front end of the pair of jaws. The bundle of sheet materials is positioned near the grasped sandwiching plate, and the pair of clamps is narrowed, whereby the sandwiching plate is bent to sandwich the bundle of sheet materials.

The holding plate is formed in an elongated rectangular shape, and the side edges in the width direction are connected to each other with a tape or the like to form a connecting holding plate. A slider is provided between the cartridge accommodating the connecting and holding plate and the pair of clamps to feed the connecting and holding plate from the cartridge to the pair of clamps.

However, in the case of such a clamping device, if the connecting and clamping plate is wound in a roll shape, a large amount of replenishment can be performed and supply maintenance can be improved, but the coupling and clamping plate is supplied to the cartridge. In this case, there is a concern that it takes time to store the roll-shaped connecting and holding plate and handle the leading end.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is to provide a cartridge for a clamping device in which the maintenance of replenishment of a cartridge with a coupling clamping plate wound in a roll shape is easy. Aim.

[0014]

According to a first aspect of the present invention, a cartridge for a clamping device is provided between a pair of clamps which can be opened and closed so as to sandwich an end of a sheet material. When the sheet material is supplied, the pair of clamps are closed, and the sheet material is supplied to a clamping device which is attached to a clamping device for clamping an end of the sheet material. A cartridge main body which is disposed at a side position of the pair of clamps and stores a roll-shaped connecting and clamping body formed by connecting and winding a large number of the clamping plates. The cartridge main body includes a guide front wall portion that pulls out the stored coupling / clamping body and guides the stored coupling / clamping body to the pair of clamp sides by feeding means provided on at least one of the clamping device and the cartridge main body. An insertion opening for inserting the roll-shaped connecting and holding member at a position away from the pair of clamps in the main body, and a lid for closing the insertion opening is provided in the cartridge main body; A guide wall portion is provided on the front guide wall portion to guide a leading end portion of the roll-shaped connecting / clamping body.

According to the holding device cartridge of the first aspect of the present invention, when the roll-shaped connecting holding member is inserted into the cartridge body, it is guided by the guide wall surface portion of the lid and the connecting holding member is formed. The tip is inserted into the guide front wall. Then, by moving the connection holding body by the feeding means, the holding plate at the tip of the connection holding body is gripped between the pair of clamps by the front guide wall portion.

The feeding means of the present invention may be provided on the clamping device side provided with a clamp, or a slider may be mounted on the front guide wall of the cartridge body, while the slider may be provided on the clamping device side. May be provided.
Further, the front guide wall portion of the cartridge body may be provided with a claw for preventing the connecting and sandwiching body from returning from the clamp side to the insertion port side of the cartridge body in the opposite direction.

[0017]

Next, a cartridge for a clamping device according to a preferred embodiment of the present invention will be described with reference to the drawings.

FIGS. 1 to 8 schematically show the construction of a clamping device cartridge according to this embodiment. 1 to 8
In the drawings, reference numeral 10 denotes a clamping device attached to, for example, a copying machine or the like.
0.

[Housing] FIG.
As shown in FIG.
A clamp chamber 14 having a clamp mechanism is formed beside the table 13. A gear chamber 15 and a cam chamber 16 are formed in the housing 12 below the table 13 and the clamp chamber 14.

On the flat surface of the table 13, the cartridge 2
0 is detachably mounted. To fix the cartridge 20, a hook 17 having a hook-shaped cross section is formed on the bottom surface of the cartridge 20 (see FIG. 4).
An engagement hole is opened in the plane of No. 3, and the hook 17 is engaged with the engagement hole. In the vicinity of the engagement hole and the table 13
A holding portion 18 facing the hook 17 is protrudingly provided on the lower surface of the device, and a screw 19 is screwed to the holding portion 18. The screw 19 holds a locking piece 22 pressed by a spring 21. The upper end of the locking piece 22 and the lower end of the hook 17 are pressed against each other by the elastic force of the spring 21, and the hook 17 is pushed toward the vertical plate 12 </ b> A of the housing 12.

On the upper surface of the table 13, a guide rail 23 along the vertical wall 12A forming the clamp chamber 14 is provided.
Are formed. A support member 24 having an H-shaped cross section is provided on the upper surface of the table 13.
4 is provided with a photosensor 25 including a light emitting diode and a light receiving diode. This photo sensor 25
The light emitted by the light-emitting diode is reflected by the tape 31 of the connecting sandwiching plate 30 drawn out of the cartridge 20, and the reflected light is received by the light receiving diode to detect the presence of the sandwiching plate 32.

A mounting wall 26 is provided at the front end of the table 13.
(In FIG. 2, the upper portion of the mounting wall portion 26 is broken), and a step portion 27 for mounting the sheet bundle S is formed at the front end of the vertical wall portion 12B of the housing 12. The upper surface of the mounting wall portion 26, the step portion 27, and the upper surface of the support member 25 have the same height in the horizontal direction for mounting the sheet bundle S.

Inside the vertical wall portion 12B, the cartridge 2
A stopper for stopping the holding plate 32 sent by the zero slider 40 (feeding means) at a predetermined position, and a microswitch for detecting that the holding plate 32 has been sent to the predetermined position are provided.

[Driving Mechanism] FIG. 3 shows a driving mechanism of the clamping device 10. The driving mechanism is a vertical wall portion 12A of the housing 12.
The drive motor 50 attached to the
The gear 51 includes a gear 51 provided on the drive shaft of No. 0 and a drive cam 52 having a tooth row meshing with the gear 51. An annular cam groove is formed on one side surface of the drive cam 52. The cam grooves have substantially the same radius, but a small diameter portion is provided in a part of the angle range. This small diameter portion is for swinging the arm 28 that slides the slider 40. The driving cam 52 is integrally provided with a cam 53 for opening and closing the clamps 60 and 61.

A circular projection 28A protrudes from the tip of the arm 28 for moving the slider 40. The protrusion 28 </ b> A is sandwiched between upper portions of a “C” -shaped guide 41 protruding from the slider 40. Rotation axis 28 of arm 28
A swing arm 29 is attached to the inner end of B. The tip of the swing arm 29 is connected to the drive cam 52 described above.
And swings about the rotary shaft 28B.

[Clamp Mechanism] As shown in FIG. 3, the clamp mechanism comprises a pair of clamps 60, 61 and a pair of clamp rotating members 6 which sandwich the clamps 60, 61.
2 and 63, and a shaft 64 attached to the clamp rotating members 62 and 63 and in contact with the peripheral surface of the drive cam 53.

The clamp rotating members 62 and 63 have a pair of side plates facing each other, and upper flanges of the side plates are connected to each other. In FIG. 3, one clamp rotating member 62 is used.
Is shown broken away. A shaft 64 is inserted into the side plate portion, and the shaft 64 is attached to the vertical wall portions 12A and 12B of the housing 12. The clamp rotating members 62 and 63 are rotatable about a shaft 64 as a fulcrum. A shaft 65 serving as a cam floor of the cam 53 is rotatably attached to the pair of side plates of the clamp rotating members 62 and 63.

The upper flanges of the clamp rotating members 62 and 63 are penetrated by bolts 67A, a spring 68 is passed through the bolt 67, and a nut 67B is screwed.
Then, the clamp rotating member 6 is moved by the spring 68.
The upper flanges 2 and 63 are urged in directions approaching each other. The clamp rotating members 62 and 63 can be relatively displaced from each other by a predetermined amount against the urging force of the spring 68, so that the cam 53 is independent of the thickness of the sheet bundle S.
Is smoothly rotated.

The other end of the spring 71 whose one end is locked to the locking portion 12K of the housing 12 is locked to the washer 70 which comes into contact with the nut 67B. Spring 7
The clamps 60 and 01 can be kept open by the pulling force of 1.

[Clamp Member] The clamps 60 and 61
It has the shape of a flat L-shaped arm, and rotates about a shaft 72 and a shaft 64. A pressing member 73 having a U-shaped cross section is attached to the distal ends of the clamps 60 and 61. When the clamps 60 and 61 rotate around the shafts 64 and 72 as fulcrums, the clamps 60 and 61 are closed, whereby the clamping plate 32 is bent. The pressing member 73 swings so as to follow the bent shape of the holding plate 32. When the sheet bundle S is finally held, the holding member 32 holds the end of the holding plate 32 in a pressed state. Is the pressing member 7
3 is caulked.

[Cartridge] As shown in FIG. 1, the cartridge 20 comprises a cartridge main body 81 having a substantially circular storage chamber 80 formed therein, and a lid 82 provided on the cartridge main body 81 so as to be openable and closable. The lid 82 is rotatably supported on the cartridge body 81 by pins 82A.

The cartridge body 81 accommodates the connection holding plate 30 in which the holding plates 32 are arranged with a slight gap in the width direction and connected by a tape 31.
Is provided on one side of the approach / separation region of the above and away from the clamps 60 and 61. Cartridge body 81
In the storage room 80, the wound roll-shaped connecting and holding body 30 is provided.
Is stored.

The cartridge body 81 includes the connecting and holding member 30.
And a guide front wall 85 for guiding the cartridge toward the clamps 60 and 61. The slider 40 is held by the guide front wall 85, and a roll-shaped connection and sandwiching is performed on a portion of the cartridge body 81 away from the clamps 60 and 61. Insertion hole IS for inserting body 32
Is provided. The cartridge body 81 is provided with a lid 82 for closing the insertion opening IS. In this embodiment, the slider 40 is held by the front guide wall 85, but the slider 40 may be slidably held on the table 31 side.

The lid 82 has a U-shaped cross section so as to slide on the upper plate and the bottom plate of the cartridge body 81. The lid 82 has a guide wall 84 facing the clamping plate outlet 83 of the cartridge body 81. When the lid 82 is closed, the guide wall 84 is flush with the clamping plate outlet 83. It is formed so that it becomes. The free end of the lid 82 forms a gap with the slider mounting front wall 85 of the cartridge body 81 when closed, and the guide wall 84 forms a gap between the slider 40 and the guide front wall 85. , The leading end of the coupling clamping body 30 is guided, and the coupling clamping plate 30 can be continuously fed out. Guide wall 8
Since the gap 4 between the slider 40 and the guide front wall portion 85 is flush and has no unevenness, when the roll-shaped new connection holding plate 30 is stored, the holding plate 30 at the tip end of the connection holding plate 30 is stored. Is naturally guided by the guide wall portion 84, and is easily stored in the storage room 80. Cartridge body 81
The edge 83A of the holding plate outlet 83 is smoothly chamfered.

A stopper insertion opening 86 is formed at the free end of the lid 82. A plate-like stopper 87 is held in the stopper insertion opening 86 so as to be slidable in a direction perpendicular to the plane of FIG. I have. A flexible tongue 8 for preventing the stopper 87 from falling off is provided on the free end side of the lid 82.
8 are formed. An engagement projection 89 is provided on the inner surface side of the flexible tongue piece 88 so as to project therefrom. The free end of the lid 82 is formed with a rectangular cutout 90 for allowing the photosensor 26 to recognize the tape 31 of the connection holding plate 30. The edge of the rectangular notch 90 is chamfered.

FIG. 10 shows the plan shape of the stopper 87. Lid 82 of top plate and bottom plate of cartridge body 81
Triangular engagement protrusions 91 for holding the lid 82 are provided on the edge portion which is opened and closed by the projection.
Triangular key portions 92A and 92B formed above and below the stopper 87 are engaged with the engagement protrusion 91. A flexible tongue 93 is cut out at the center of the stopper 87.
A flexible tongue piece 93 has a lid 82
Side flexible tongue 88 engages. The stopper 87 does not fall out of the stopper insertion opening 86 by the engagement projection 89 of the flexible tongue 88 abutting on the lower part of the flexible tongue 93. When the upper end portion 87A of the stopper 87 is pressed downward on the upper portion of the lower key portion 92B, the key portion 92A is pressed.
A space 94 is provided for allowing a slide displacement for releasing the engagement between the engagement protrusions 91 and 91 and the engagement protrusions 91 and 91. At the front and rear edges of the stopper 87, flanges 87B inserted into the grooves 86A, 86A of the stopper insertion opening 86,
87C is formed.

The stopper 87 is provided with flanges 87B, 8B.
7C is inserted into the grooves 86A, 86A, so that it is held in the stopper insertion opening 86. When the stopper 87 is inserted, the flexible tongue piece 86 on the lid 82 is bent and enters the notch 93A. Thereby, the flexible tongue piece 86 of the lid 82 abuts against the flexible tongue piece 93 of the stopper 87, and the stopper 87 is held without falling off.

When the lid 82 closes the cartridge body 81, the lid 82
The engaging protrusions 91 and 91 abut against the triangular key portions 92A and 92B, slidingly contact the tapered surface 91A of the engaging protrusion 91, and the flexible tongue piece 86 of the lid 82 is The flexible tongue piece 93 is bent. As a result, the stopper 87 temporarily slides in the direction B, but the flexible tongue 93
The key portions 92A and 92B engage with the engagement projections 91 due to the elastic force of, and the lid 82 is locked to the cartridge main body 81. When the lid 82 is opened from the cartridge body 81, the key portions 92A, 92A can be pressed by pushing down the upper end 87A.
B is disengaged from the engagement projection 91, the lid 82 is opened from the cartridge body 81, and the roll-shaped coupling and holding member 3 is opened.
0 can be inserted.

On the lower surface of the bottom plate, there is provided a lock member 100 inserted into the lock release hole of the table 13 to release the lock of the slider 40. When the cartridge 20 is mounted on the table 13 of the apparatus main body 11, the locking member 1
00 is inserted into the lock release hole, and the locking piece 101 formed on the lower edge of the slider 40 is released by the engagement of the lock member 100 with the lock release hole, and the lock of the slider 40 is released.

Guide walls 102 of the slider 40 project from above and below the front guide wall 85 of the cartridge body 81, and guide the slider 40 from above and below with the edge of the slider 40 interposed therebetween.

The guide front wall portion 85 is formed with four square holes at the leading end and the rear end in the feed direction of the holding plate 32. The tips of the check claws project into these square holes so as to be buried by elasticity so that they can be caught by the side edges of the holding plate 32.

These non-return pawls allow the slider 40 to feed the clamping plate 32 to the clamps 60 and 61, and allow the slider 40 to clamp when the slider 40 moves away from the clamps 60 and 61. This prevents the plate 32 from returning backward.

[Slider] The slider 40, as shown in FIG.
Guides 41, 41 are formed below 0, and the slider 40 reciprocates as the arm 28 swings. The slider 40 is formed with a notch 42 for detecting the tape 31 of the connecting and holding plate 30 by the photo sensor 25. A pair of forward feed pawls 43 and a pair of backward feed pawls 44 are attached to the front and rear of the slider 40 so that the forward feed pawl 43 is caught by the holding plate 32. The holding plate 32 is pulled out from the inside of the cartridge main body 81 by this catch. The distal end portions of the rear feeding claw plates 44, 44 are caught on the holding plate 32 in the same manner as described above. The four check pawls of the slider 40 can be retracted by the elastic force of the flat plate, and do not hinder the movement of the slider 40 in the right direction, that is, in the return direction opposite to the feed movement. It has become.

[0044]

According to the cartridge for the clamping device of the first aspect of the present invention, when the roll-shaped coupling / clamping member is inserted into the cartridge body, the coupling / clamping is guided by the guide wall surface of the lid. The tip of the body is guided by the front guide wall. Then, the connecting and sandwiching body is sent along the guide front wall by the feeding means,
The clamping plate at the tip of the fed coupling clamping body is gripped by the side of the pair of clamps.

[Brief description of the drawings]

FIG. 1 is a plan view of a clamping device with a cartridge according to an embodiment of the present invention.

FIG. 2 is a front view of the clamping device with a cartridge.

FIG. 3 is a cross-sectional view showing a clamping mechanism of the clamping device of FIG. 1;

FIG. 4 is a bottom view of the cartridge in a state where a lid of the cartridge of FIG. 1 is opened;

FIG. 5 is a cross-sectional view showing a state in which a cartridge storage chamber, a guide wall portion of a lid, and a guide front wall portion continue without irregularities.

FIG. 6 is a front view showing the inside of a lid of the cartridge.

FIG. 7 is a sectional view taken along line AA of FIG. 6;

FIG. 8 is a plan view of the lid showing the shape of the free end of the lid of the cartridge.

9 is a sectional view taken along line BB of FIG. 8;

FIG. 10 is a plan view of a stopper of the lid.

FIG. 11 is a rear view showing an insertion opening of the cartridge body.

FIG. 12 is a front view showing a state of transfer of a slider / connection holding member of the cartridge.

FIG. 13 is a schematic view of a conventional clamping device.

FIG. 14 is a schematic cross-sectional view of a conventional clamping device viewed from a sheet material insertion opening side.

FIG. 15 is a perspective view of a pressing rod of a conventional clamping device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Holding device 30 Connection holding body 32 Holding plate 40 Slider (feeding means) 60 Clamp 61 Clamp 81 Cartridge main body 82 Lid 84 Guide wall part 85 Guide front wall part IS insertion port

Claims (1)

(57) [Claims] 1. A sheet-like holding plate is gripped between a pair of clamps which can be opened and closed so as to sandwich an end portion of a sheet material, and when the sheet material is supplied, the pair of clamps is closed. A cartridge for a clamping device to be mounted on a clamping device for clamping an end portion of the sheet material with the clamping plate, the cartridge being disposed at a side position of the pair of clamps, and A cartridge body for storing a plurality of connected and wound roll-shaped holding members, the cartridge body being provided by the feeding means provided in at least one of the holding device and the cartridge body; An insertion opening provided with a guide front wall portion for pulling out the holding body and guiding the holding body to the pair of clamps, and for inserting the roll-shaped connection holding body at a position in the cartridge body away from the pair of clamps; At the same time, a lid for closing the insertion opening is provided on the cartridge main body, and a guide wall portion for guiding the leading end portion of the roll-shaped coupling / clamping body is provided on the front cover wall on the lid. A cartridge for a clamping device.